Patent holdings for IPC class B64D 33/04

Total number of patents in this class: 614

10-year publication summary

54
63
57
51
51
48
25
33
39
38
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Pratt & Whitney Canada Corp.
5479
56
Rtx Corporation
10102
53
The Boeing Company
20160
51
General Electric Company
13899
39
Jetoptera, Inc.
105
37
Aircelle
464
24
Safran Aircraft Engines
6694
24
Rohr, Inc.
772
23
Airbus Operations S.A.S.
2556
22
Safran Nacelles
798
18
Textron Innovations Inc.
2444
16
Rolls-Royce PLC
3221
12
Rolls-Royce North American Technologies, Inc.
1129
12
Airbus Operations GmbH
3446
10
United Technologies Corporation
2220
9
Bell Helicopter Textron Inc.
961
9
Centre National de La Recherche Scientifique
11023
8
MTU Aero Engines AG
728
8
Sikorsky Aircraft Corporation
1067
8
Airbus S.A.S.
976
6
Other owners 169